Hamiltonian model of heat conductivity and Fourier law

被引:7
|
作者
Gruber, C [1 ]
Lesne, A
机构
[1] Ecole Polytech Fed Lausanne, Inst Theorie Phenomenes Phys, CH-1015 Lausanne, Switzerland
[2] Univ Paris 06, Phys Theor Liquides Lab, F-75252 Paris, France
关键词
Fourier law; heat conductivity; nonequilibrium states; thermodynamics of irreversible processes; entropy production;
D O I
10.1016/j.physa.2004.12.022
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We investigate the stationary nonequilibrium states of a quasi one-dimensional system of heavy particles whose interaction is mediated by purely elastic collisions with light particles, in contact at the boundary with two heat baths with fixed temperatures T+ and T-. It is shown that Fourier law is satisfied with a thermal conductivity proportional to root T(x) where T(x) is the local temperature. Entropy flux and entropy production are also investigated. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:358 / 372
页数:15
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